Add 36/21 and 5/30
1st number: 1 15/21, 2nd number: 5/30
36/21 + 5/30 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
36/21 = 36 × 10/21 × 10 = 360/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210 - Add the two like fractions:
360/210 + 35/210 = 360 + 35/210 = 395/210 - 395/210 simplified gives 79/42
- So, 36/21 + 5/30 = 79/42
In mixed form: 137/42
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